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US ˙ NYSE ˙ US09261X1028

SecurityBXSL / Blackstone Secured Lending Fund
InstitutionAllworth Financial LP
Latest Disclosed Ownership11,152 shares
Latest Disclosed Value $ 264,185
Allworth Financial LP reports 1.11% decrease in ownership of BXSL / Blackstone Secured Lending Fund

On May 14, 2026 - Allworth Financial LP filed a 13F-HR form disclosing ownership of 11,152 shares of Blackstone Secured Lending Fund (US:BXSL) valued at $264,191 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 11,277 shares of Blackstone Secured Lending Fund. This represents a change in shares of -1.11% during the quarter. The current value of the position is $265,418 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 11,152 -125 -1.11 264 -10.81 0.0011
2026-02-05 2025-12-31 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 11,277 -1,593 -12.38 297 -11.64 0.0012
2025-12-02 2025-09-30 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 12,870 -40,088 -75.70 336 -79.42 0.0015
2025-08-07 2025-06-30 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 52,958 7,150 15.61 1,628 20.95 0.0078
2025-04-30 2025-03-31 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 45,808 274 0.60 1,346 -8.93 0.0076
2025-01-30 2024-12-31 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 45,534 -3,800 -7.70 1,479 2.28 0.0081
2024-10-23 2024-09-30 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 49,334 117 0.24 1,445 -2.89 0.0088
2024-07-24 2024-06-30 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 49,217 6,885 16.26 1,489 12.90 0.0096
2024-04-25 2024-03-31 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 42,332 296 0.70 1,319 13.52 0.0093
2024-01-24 2023-12-31 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 42,036 301 0.72 1,162 1.75 0.0089
2023-10-31 2023-09-30 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 41,735 258 0.62 1,142 0.62 0.0098
2023-07-18 2023-06-30 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 41,477 -3,492 -7.77 1,135 1.16 0.0096
2023-04-18 2023-03-31 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 44,969 307 0.69 1,121 12.32 0.0113
2023-01-13 2022-12-31 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 44,662 204 0.46 998 -1.29 0.0111
2022-11-14 2022-09-30 13F/A-1 BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 44,458 26,927 153.60 1,011 144.20 0.0128
2022-10-18 2022-09-30 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 44,458 26,927 1,011 0.0128
2022-07-13 2022-06-30 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 17,531 8,839 101.69 414 71.07 0.0057
2022-04-22 2022-03-31 13F BLACKSTONE SECD LENDING FD COMMON STOCK 09261X102 8,692 8,692 242 0.0031
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.